On Saturday 11 October 2003 08:16, zain arrifa'i wrote:
> I have several local networks connected to internet
> via a gateway, acting as SNAT box as well as shaper
> box.
>
> in some occasions, I got confused about which one is
> executed first inside the kernel; the SNAT rules
> postrouting chain, or the tc filter rules that
> classify packet for shaping/queueing.
>
> I need to know which source address I should use in
> the tc filter rules, the local IP source, or the
> public IP that used for SNAT.
>
> I have tried to look at tc -s ..show command result,
> or iptables -L result, but I'm not convinced yet.
>
> anybody has nice explanations about that?
Tc is the last thing that's done with a packet. So after SNAT and
postrouting.
Also see the KPTD (Kernel Packet Traveling Diagram) page at docum.org.
Stef
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